Cal. Food & Agric. Code § 74067

Each member of the commission, except the ex officio members, shall have an alternate member to be elected in the same manner as the member. An alternate member shall, in the absence of the member of whom he or she is an alternate, serve in place of the member on the commission and have and be able to exercise all the rights, privileges, and powers of the member when serving on the commission. In the event of death, removal, resignation, or disqualification of a member, the alternate shall serve as a member on the commission until a successor is elected and has qualified.